4 Lenovo ThinkPad T61 – Components beneath the keyboard. From left: the processor and fan, internal modem, network with antenna leads, and the bay for the optical drive.

Today, Lenovo released the latest addition to its ThinkPad line of notebooks, the T61p. Also announced were two less-expensive notebooks, the ThinkPad R61 and R61e. Let's take a gander at what the ...

Who says laptops are commodities? Lenovo (now dropping the IBM name from the ThinkPad line it acquired) updates its showcase T series with this well-built machine, the ThinkPad T61. Juiced up with ...

In fact, the only significant differences are that the R61 has a 12.5mm chassis design vs. the T61's 9mm design; and the fact that the fastest processor speed is only available for the T series.

Lenovo has joined rival Dell in providing pre-loaded Linux on notebooks. The Test Center examines the ThinkPad T61 pre-loaded with SLED 10 to see whether it's ready for prime time.